@Test
public void testResponseContainsEntityToServeGETRequestIfEntryContainsResource()
throws Exception {
final HttpResponse response = impl.generateResponse(request, entry);
Assert.assertNotNull(response.getEntity());
}
@Test
public void testResponseDoesNotContainEntityToServeHEADRequestIfEntryContainsResource()
throws Exception {
final HttpRequestWrapper headRequest =
HttpRequestWrapper.wrap(HttpTestUtils.makeDefaultHEADRequest());
final HttpResponse response = impl.generateResponse(headRequest, entry);
Assert.assertNull(response.getEntity());
}
@Test
public void testResponseMatchesCacheEntry() {
final HttpResponse response = impl.generateResponse(request, entry);
Assert.assertTrue(response.containsHeader("Content-Length"));
Assert.assertSame("HTTP", response.getProtocolVersion().getProtocol());
Assert.assertEquals(1, response.getProtocolVersion().getMajor());
Assert.assertEquals(1, response.getProtocolVersion().getMinor());
}
@Test
public void testAgeHeaderIsNotPopulatedIfCurrentAgeOfCacheEntryIsZero() {
currentAge(0L);
final HttpResponse response = impl.generateResponse(request, entry);
verify(mockValidityPolicy).getCurrentAgeSecs(same(entry), isA(Date.class));
final Header ageHdr = response.getFirstHeader("Age");
Assert.assertNull(ageHdr);
}
@Test
public void testAgeHeaderIsPopulatedWithMaxAgeIfCurrentAgeTooBig() {
currentAge(CacheValidityPolicy.MAX_AGE + 1L);
final HttpResponse response = impl.generateResponse(request, entry);
verify(mockValidityPolicy).getCurrentAgeSecs(same(entry), isA(Date.class));
final Header ageHdr = response.getFirstHeader("Age");
Assert.assertNotNull(ageHdr);
Assert.assertEquals(CacheValidityPolicy.MAX_AGE, Long.parseLong(ageHdr.getValue()));
}
@Test
public void testAgeHeaderIsPopulatedWithCurrentAgeOfCacheEntryIfNonZero() {
currentAge(10L);
final HttpResponse response = impl.generateResponse(request, entry);
verify(mockValidityPolicy).getCurrentAgeSecs(same(entry), isA(Date.class));
final Header ageHdr = response.getFirstHeader("Age");
Assert.assertNotNull(ageHdr);
Assert.assertEquals(10L, Long.parseLong(ageHdr.getValue()));
}
@Test
public void testContentLengthIsNotAddedWhenTransferEncodingIsPresent() {
final Header[] hdrs = new Header[] {new BasicHeader("Transfer-Encoding", "chunked")};
final byte[] buf = new byte[] {1, 2, 3, 4, 5};
final HttpCacheEntry entry1 = HttpTestUtils.makeCacheEntry(hdrs, buf);
final HttpResponse response = impl.generateResponse(request, entry1);
final Header length = response.getFirstHeader("Content-Length");
Assert.assertNull(length);
}
@Test
public void testResponseHasContentLength() {
final byte[] buf = new byte[] {1, 2, 3, 4, 5};
final HttpCacheEntry entry1 = HttpTestUtils.makeCacheEntry(buf);
final HttpResponse response = impl.generateResponse(request, entry1);
final Header length = response.getFirstHeader("Content-Length");
Assert.assertNotNull("Content-Length Header is missing", length);
Assert.assertEquals(
"Content-Length does not match buffer length",
buf.length,
Integer.parseInt(length.getValue()));
}
@Test
public void testResponseStatusCodeMatchesCacheEntry() {
final HttpResponse response = impl.generateResponse(request, entry);
Assert.assertEquals(entry.getStatusCode(), response.getStatusLine().getStatusCode());
}
